402302021404 has 24 divisors (see below), whose sum is σ = 716461211648. Its totient is φ = 197629573680.

The previous prime is 402302021389. The next prime is 402302021417. The reversal of 402302021404 is 404120203204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3792012 + ... + 3896659.

Almost surely, 2^402302021404 is an apocalyptic number.

It is an amenable number.

402302021404 is a deficient number, since it is larger than the sum of its proper divisors (314159190244).

402302021404 is a wasteful number, since it uses less digits than its factorization.

402302021404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7688905 (or 7688903 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 402302021404 its reverse (404120203204), we get a palindrome (806422224608).

The spelling of 402302021404 in words is "four hundred two billion, three hundred two million, twenty-one thousand, four hundred four".